Boss - CS-3 Compression Sustainer

SPECIFICATIONS Nominal Input Level-20 dBuInput Impedance1 M ohmNominal Output Level-20 dBuOutput Impedance1 k ohmRecommended Load Impedance10 k ohms or greaterBypassBuffered bypassControls SUSTAIN knob ATTACK knob TONE knob LEVEL knob Pedal switchIndicatorCHECK indicator (Serves also as battery check indicator)ConnectorsINPUT jack: 1/4-inch phone type OUTPUT jack: 1/4-inch phone type DC IN jackPower SupplyCarbon-zinc battery (9V, 6F22) or Alkaline battery (9V, 6LR61) AC adaptor (PSA series: sold separately)Current Draw20 mAExpected battery life under continuous useCarbon: Approx. 10.5 hours Alkaline: Approx. 26 hours *These figures will vary depending on the actual conditions of use.AccessoriesLeaflet ("USING THE UNIT SAFELY,""IMPORTANT NOTES,"and"Information") Dry battery/9 V type (6F22)Options (sold separately)AC adaptor: PSA seriesSIZE AND WEIGHTWidth73 mm 2-7/8 inchesDepth129 mm 5-1/8 inchesHeight59 mm 2-3/8 inchesWeight380 g 14 oz